1323136Sdes/*	$OpenBSD: test_helper.h,v 1.7 2017/03/14 01:10:07 dtucker Exp $	*/
2276707Sdes/*
3276707Sdes * Copyright (c) 2011 Damien Miller <djm@mindrot.org>
4276707Sdes *
5276707Sdes * Permission to use, copy, modify, and distribute this software for any
6276707Sdes * purpose with or without fee is hereby granted, provided that the above
7276707Sdes * copyright notice and this permission notice appear in all copies.
8276707Sdes *
9276707Sdes * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10276707Sdes * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11276707Sdes * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12276707Sdes * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13276707Sdes * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14276707Sdes * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15276707Sdes * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16276707Sdes */
17276707Sdes
18276707Sdes/* Utility functions/framework for regress tests */
19276707Sdes
20276707Sdes#ifndef _TEST_HELPER_H
21276707Sdes#define _TEST_HELPER_H
22276707Sdes
23276707Sdes#include "includes.h"
24276707Sdes
25276707Sdes#include <sys/types.h>
26276707Sdes#ifdef HAVE_STDINT_H
27276707Sdes# include <stdint.h>
28276707Sdes#endif
29276707Sdes
30276707Sdes#include <openssl/bn.h>
31276707Sdes#include <openssl/err.h>
32276707Sdes
33276707Sdesenum test_predicate {
34276707Sdes	TEST_EQ, TEST_NE, TEST_LT, TEST_LE, TEST_GT, TEST_GE
35276707Sdes};
36276707Sdestypedef void (test_onerror_func_t)(void *);
37276707Sdes
38276707Sdes/* Supplied by test suite */
39276707Sdesvoid tests(void);
40276707Sdes
41276707Sdesconst char *test_data_file(const char *name);
42276707Sdesvoid test_start(const char *n);
43294332Sdesvoid test_info(char *s, size_t len);
44276707Sdesvoid set_onerror_func(test_onerror_func_t *f, void *ctx);
45276707Sdesvoid test_done(void);
46294332Sdesvoid test_subtest_info(const char *fmt, ...)
47294332Sdes    __attribute__((format(printf, 1, 2)));
48276707Sdesvoid ssl_err_check(const char *file, int line);
49276707Sdesvoid assert_bignum(const char *file, int line,
50276707Sdes    const char *a1, const char *a2,
51276707Sdes    const BIGNUM *aa1, const BIGNUM *aa2, enum test_predicate pred);
52276707Sdesvoid assert_string(const char *file, int line,
53276707Sdes    const char *a1, const char *a2,
54276707Sdes    const char *aa1, const char *aa2, enum test_predicate pred);
55276707Sdesvoid assert_mem(const char *file, int line,
56276707Sdes    const char *a1, const char *a2,
57276707Sdes    const void *aa1, const void *aa2, size_t l, enum test_predicate pred);
58276707Sdesvoid assert_mem_filled(const char *file, int line,
59276707Sdes    const char *a1,
60276707Sdes    const void *aa1, u_char v, size_t l, enum test_predicate pred);
61276707Sdesvoid assert_int(const char *file, int line,
62276707Sdes    const char *a1, const char *a2,
63276707Sdes    int aa1, int aa2, enum test_predicate pred);
64276707Sdesvoid assert_size_t(const char *file, int line,
65276707Sdes    const char *a1, const char *a2,
66276707Sdes    size_t aa1, size_t aa2, enum test_predicate pred);
67276707Sdesvoid assert_u_int(const char *file, int line,
68276707Sdes    const char *a1, const char *a2,
69276707Sdes    u_int aa1, u_int aa2, enum test_predicate pred);
70323136Sdesvoid assert_long(const char *file, int line,
71323136Sdes    const char *a1, const char *a2,
72323136Sdes    long aa1, long aa2, enum test_predicate pred);
73276707Sdesvoid assert_long_long(const char *file, int line,
74276707Sdes    const char *a1, const char *a2,
75276707Sdes    long long aa1, long long aa2, enum test_predicate pred);
76276707Sdesvoid assert_char(const char *file, int line,
77276707Sdes    const char *a1, const char *a2,
78276707Sdes    char aa1, char aa2, enum test_predicate pred);
79276707Sdesvoid assert_ptr(const char *file, int line,
80276707Sdes    const char *a1, const char *a2,
81276707Sdes    const void *aa1, const void *aa2, enum test_predicate pred);
82276707Sdesvoid assert_u8(const char *file, int line,
83276707Sdes    const char *a1, const char *a2,
84276707Sdes    u_int8_t aa1, u_int8_t aa2, enum test_predicate pred);
85276707Sdesvoid assert_u16(const char *file, int line,
86276707Sdes    const char *a1, const char *a2,
87276707Sdes    u_int16_t aa1, u_int16_t aa2, enum test_predicate pred);
88276707Sdesvoid assert_u32(const char *file, int line,
89276707Sdes    const char *a1, const char *a2,
90276707Sdes    u_int32_t aa1, u_int32_t aa2, enum test_predicate pred);
91276707Sdesvoid assert_u64(const char *file, int line,
92276707Sdes    const char *a1, const char *a2,
93276707Sdes    u_int64_t aa1, u_int64_t aa2, enum test_predicate pred);
94276707Sdes
95276707Sdes#define TEST_START(n)			test_start(n)
96276707Sdes#define TEST_DONE()			test_done()
97276707Sdes#define TEST_ONERROR(f, c)		set_onerror_func(f, c)
98276707Sdes#define SSL_ERR_CHECK() 		ssl_err_check(__FILE__, __LINE__)
99276707Sdes
100276707Sdes#define ASSERT_BIGNUM_EQ(a1, a2) \
101276707Sdes	assert_bignum(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
102276707Sdes#define ASSERT_STRING_EQ(a1, a2) \
103276707Sdes	assert_string(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
104276707Sdes#define ASSERT_MEM_EQ(a1, a2, l) \
105276707Sdes	assert_mem(__FILE__, __LINE__, #a1, #a2, a1, a2, l, TEST_EQ)
106276707Sdes#define ASSERT_MEM_FILLED_EQ(a1, c, l) \
107276707Sdes	assert_mem_filled(__FILE__, __LINE__, #a1, a1, c, l, TEST_EQ)
108276707Sdes#define ASSERT_MEM_ZERO_EQ(a1, l) \
109276707Sdes	assert_mem_filled(__FILE__, __LINE__, #a1, a1, '\0', l, TEST_EQ)
110276707Sdes#define ASSERT_INT_EQ(a1, a2) \
111276707Sdes	assert_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
112276707Sdes#define ASSERT_SIZE_T_EQ(a1, a2) \
113276707Sdes	assert_size_t(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
114276707Sdes#define ASSERT_U_INT_EQ(a1, a2) \
115276707Sdes	assert_u_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
116323136Sdes#define ASSERT_LONG_EQ(a1, a2) \
117323136Sdes	assert_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
118276707Sdes#define ASSERT_LONG_LONG_EQ(a1, a2) \
119276707Sdes	assert_long_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
120276707Sdes#define ASSERT_CHAR_EQ(a1, a2) \
121276707Sdes	assert_char(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
122276707Sdes#define ASSERT_PTR_EQ(a1, a2) \
123276707Sdes	assert_ptr(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
124276707Sdes#define ASSERT_U8_EQ(a1, a2) \
125276707Sdes	assert_u8(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
126276707Sdes#define ASSERT_U16_EQ(a1, a2) \
127276707Sdes	assert_u16(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
128276707Sdes#define ASSERT_U32_EQ(a1, a2) \
129276707Sdes	assert_u32(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
130276707Sdes#define ASSERT_U64_EQ(a1, a2) \
131276707Sdes	assert_u64(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_EQ)
132276707Sdes
133276707Sdes#define ASSERT_BIGNUM_NE(a1, a2) \
134276707Sdes	assert_bignum(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
135276707Sdes#define ASSERT_STRING_NE(a1, a2) \
136276707Sdes	assert_string(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
137276707Sdes#define ASSERT_MEM_NE(a1, a2, l) \
138276707Sdes	assert_mem(__FILE__, __LINE__, #a1, #a2, a1, a2, l, TEST_NE)
139276707Sdes#define ASSERT_MEM_ZERO_NE(a1, l) \
140276707Sdes	assert_mem_filled(__FILE__, __LINE__, #a1, a1, '\0', l, TEST_NE)
141276707Sdes#define ASSERT_INT_NE(a1, a2) \
142276707Sdes	assert_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
143276707Sdes#define ASSERT_SIZE_T_NE(a1, a2) \
144276707Sdes	assert_size_t(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
145276707Sdes#define ASSERT_U_INT_NE(a1, a2) \
146276707Sdes	assert_u_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
147323136Sdes#define ASSERT_LONG_NE(a1, a2) \
148323136Sdes	assert_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
149276707Sdes#define ASSERT_LONG_LONG_NE(a1, a2) \
150276707Sdes	assert_long_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
151276707Sdes#define ASSERT_CHAR_NE(a1, a2) \
152276707Sdes	assert_char(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
153276707Sdes#define ASSERT_PTR_NE(a1, a2) \
154276707Sdes	assert_ptr(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
155276707Sdes#define ASSERT_U8_NE(a1, a2) \
156276707Sdes	assert_u8(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
157276707Sdes#define ASSERT_U16_NE(a1, a2) \
158276707Sdes	assert_u16(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
159276707Sdes#define ASSERT_U32_NE(a1, a2) \
160276707Sdes	assert_u32(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
161276707Sdes#define ASSERT_U64_NE(a1, a2) \
162276707Sdes	assert_u64(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_NE)
163276707Sdes
164276707Sdes#define ASSERT_BIGNUM_LT(a1, a2) \
165276707Sdes	assert_bignum(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
166276707Sdes#define ASSERT_STRING_LT(a1, a2) \
167276707Sdes	assert_string(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
168276707Sdes#define ASSERT_MEM_LT(a1, a2, l) \
169276707Sdes	assert_mem(__FILE__, __LINE__, #a1, #a2, a1, a2, l, TEST_LT)
170276707Sdes#define ASSERT_INT_LT(a1, a2) \
171276707Sdes	assert_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
172276707Sdes#define ASSERT_SIZE_T_LT(a1, a2) \
173276707Sdes	assert_size_t(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
174276707Sdes#define ASSERT_U_INT_LT(a1, a2) \
175276707Sdes	assert_u_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
176323136Sdes#define ASSERT_LONG_LT(a1, a2) \
177323136Sdes	assert_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
178276707Sdes#define ASSERT_LONG_LONG_LT(a1, a2) \
179276707Sdes	assert_long_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
180276707Sdes#define ASSERT_CHAR_LT(a1, a2) \
181276707Sdes	assert_char(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
182276707Sdes#define ASSERT_PTR_LT(a1, a2) \
183276707Sdes	assert_ptr(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
184276707Sdes#define ASSERT_U8_LT(a1, a2) \
185276707Sdes	assert_u8(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
186276707Sdes#define ASSERT_U16_LT(a1, a2) \
187276707Sdes	assert_u16(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
188276707Sdes#define ASSERT_U32_LT(a1, a2) \
189276707Sdes	assert_u32(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
190276707Sdes#define ASSERT_U64_LT(a1, a2) \
191276707Sdes	assert_u64(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LT)
192276707Sdes
193276707Sdes#define ASSERT_BIGNUM_LE(a1, a2) \
194276707Sdes	assert_bignum(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
195276707Sdes#define ASSERT_STRING_LE(a1, a2) \
196276707Sdes	assert_string(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
197276707Sdes#define ASSERT_MEM_LE(a1, a2, l) \
198276707Sdes	assert_mem(__FILE__, __LINE__, #a1, #a2, a1, a2, l, TEST_LE)
199276707Sdes#define ASSERT_INT_LE(a1, a2) \
200276707Sdes	assert_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
201276707Sdes#define ASSERT_SIZE_T_LE(a1, a2) \
202276707Sdes	assert_size_t(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
203276707Sdes#define ASSERT_U_INT_LE(a1, a2) \
204276707Sdes	assert_u_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
205323136Sdes#define ASSERT_LONG_LE(a1, a2) \
206323136Sdes	assert_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
207276707Sdes#define ASSERT_LONG_LONG_LE(a1, a2) \
208276707Sdes	assert_long_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
209276707Sdes#define ASSERT_CHAR_LE(a1, a2) \
210276707Sdes	assert_char(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
211276707Sdes#define ASSERT_PTR_LE(a1, a2) \
212276707Sdes	assert_ptr(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
213276707Sdes#define ASSERT_U8_LE(a1, a2) \
214276707Sdes	assert_u8(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
215276707Sdes#define ASSERT_U16_LE(a1, a2) \
216276707Sdes	assert_u16(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
217276707Sdes#define ASSERT_U32_LE(a1, a2) \
218276707Sdes	assert_u32(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
219276707Sdes#define ASSERT_U64_LE(a1, a2) \
220276707Sdes	assert_u64(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_LE)
221276707Sdes
222276707Sdes#define ASSERT_BIGNUM_GT(a1, a2) \
223276707Sdes	assert_bignum(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
224276707Sdes#define ASSERT_STRING_GT(a1, a2) \
225276707Sdes	assert_string(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
226276707Sdes#define ASSERT_MEM_GT(a1, a2, l) \
227276707Sdes	assert_mem(__FILE__, __LINE__, #a1, #a2, a1, a2, l, TEST_GT)
228276707Sdes#define ASSERT_INT_GT(a1, a2) \
229276707Sdes	assert_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
230276707Sdes#define ASSERT_SIZE_T_GT(a1, a2) \
231276707Sdes	assert_size_t(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
232276707Sdes#define ASSERT_U_INT_GT(a1, a2) \
233276707Sdes	assert_u_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
234323136Sdes#define ASSERT_LONG_GT(a1, a2) \
235323136Sdes	assert_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
236276707Sdes#define ASSERT_LONG_LONG_GT(a1, a2) \
237276707Sdes	assert_long_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
238276707Sdes#define ASSERT_CHAR_GT(a1, a2) \
239276707Sdes	assert_char(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
240276707Sdes#define ASSERT_PTR_GT(a1, a2) \
241276707Sdes	assert_ptr(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
242276707Sdes#define ASSERT_U8_GT(a1, a2) \
243276707Sdes	assert_u8(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
244276707Sdes#define ASSERT_U16_GT(a1, a2) \
245276707Sdes	assert_u16(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
246276707Sdes#define ASSERT_U32_GT(a1, a2) \
247276707Sdes	assert_u32(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
248276707Sdes#define ASSERT_U64_GT(a1, a2) \
249276707Sdes	assert_u64(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GT)
250276707Sdes
251276707Sdes#define ASSERT_BIGNUM_GE(a1, a2) \
252276707Sdes	assert_bignum(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
253276707Sdes#define ASSERT_STRING_GE(a1, a2) \
254276707Sdes	assert_string(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
255276707Sdes#define ASSERT_MEM_GE(a1, a2, l) \
256276707Sdes	assert_mem(__FILE__, __LINE__, #a1, #a2, a1, a2, l, TEST_GE)
257276707Sdes#define ASSERT_INT_GE(a1, a2) \
258276707Sdes	assert_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
259276707Sdes#define ASSERT_SIZE_T_GE(a1, a2) \
260276707Sdes	assert_size_t(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
261276707Sdes#define ASSERT_U_INT_GE(a1, a2) \
262276707Sdes	assert_u_int(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
263323136Sdes#define ASSERT_LONG_GE(a1, a2) \
264323136Sdes	assert_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
265276707Sdes#define ASSERT_LONG_LONG_GE(a1, a2) \
266276707Sdes	assert_long_long(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
267276707Sdes#define ASSERT_CHAR_GE(a1, a2) \
268276707Sdes	assert_char(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
269276707Sdes#define ASSERT_PTR_GE(a1, a2) \
270276707Sdes	assert_ptr(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
271276707Sdes#define ASSERT_U8_GE(a1, a2) \
272276707Sdes	assert_u8(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
273276707Sdes#define ASSERT_U16_GE(a1, a2) \
274276707Sdes	assert_u16(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
275276707Sdes#define ASSERT_U32_GE(a1, a2) \
276276707Sdes	assert_u32(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
277276707Sdes#define ASSERT_U64_GE(a1, a2) \
278276707Sdes	assert_u64(__FILE__, __LINE__, #a1, #a2, a1, a2, TEST_GE)
279276707Sdes
280276707Sdes/* Fuzzing support */
281276707Sdes
282276707Sdesstruct fuzz;
283276707Sdes#define FUZZ_1_BIT_FLIP		0x00000001	/* Flip one bit at a time */
284276707Sdes#define FUZZ_2_BIT_FLIP		0x00000002	/* Flip two bits at a time */
285276707Sdes#define FUZZ_1_BYTE_FLIP	0x00000004	/* Flip one byte at a time */
286276707Sdes#define FUZZ_2_BYTE_FLIP	0x00000008	/* Flip two bytes at a time */
287276707Sdes#define FUZZ_TRUNCATE_START	0x00000010	/* Truncate from beginning */
288276707Sdes#define FUZZ_TRUNCATE_END	0x00000020	/* Truncate from end */
289276707Sdes#define FUZZ_BASE64		0x00000040	/* Try all base64 chars */
290276707Sdes#define FUZZ_MAX		FUZZ_BASE64
291276707Sdes
292276707Sdes/* Start fuzzing a blob of data with selected strategies (bitmask) */
293276707Sdesstruct fuzz *fuzz_begin(u_int strategies, const void *p, size_t l);
294276707Sdes
295276707Sdes/* Free a fuzz context */
296276707Sdesvoid fuzz_cleanup(struct fuzz *fuzz);
297276707Sdes
298276707Sdes/* Prepare the next fuzz case in the series */
299276707Sdesvoid fuzz_next(struct fuzz *fuzz);
300276707Sdes
301294332Sdes/*
302294332Sdes * Check whether this fuzz case is identical to the original
303294332Sdes * This is slow, but useful if the caller needs to ensure that all tests
304294332Sdes * generated change the input (e.g. when fuzzing signatures).
305294332Sdes */
306294332Sdesint fuzz_matches_original(struct fuzz *fuzz);
307294332Sdes
308276707Sdes/* Determine whether the current fuzz sequence is exhausted (nonzero = yes) */
309276707Sdesint fuzz_done(struct fuzz *fuzz);
310276707Sdes
311276707Sdes/* Return the length and a pointer to the current fuzzed case */
312276707Sdessize_t fuzz_len(struct fuzz *fuzz);
313276707Sdesu_char *fuzz_ptr(struct fuzz *fuzz);
314276707Sdes
315276707Sdes/* Dump the current fuzz case to stderr */
316276707Sdesvoid fuzz_dump(struct fuzz *fuzz);
317294332Sdes
318276707Sdes#endif /* _TEST_HELPER_H */
319